LinkNode R4 is an open source 4-Channel relay controller which is powered by the ESP8266 WiFi SoC. The following will introduce how to use Android APP to control the LinkNode R4. Steps1. Install more...

In certain cases you may need to use motors for different purposes. Depending on the experiment or the device you are building, the type of motor to use can be different. In this series of posts I more...

This time I am going to share with you an amazingly simple experience that is made possible using just an Arduino UNO board, a resistor and a capacitor. The RC circuit is a classic circuit in physics more...

In this post I am going to show how to use an Arduino board and BitVoicer Server to control a few LEDs with voice commands. I will be using the Arduino Micro in this post, but you can use any Arduino more...

A recent post appeared on the element14 community blog on the difference between different kind of motors led me to write this post. I am going to describe how to control a DC motor using Arduino UNO more...

My previous post was devoted to the illustration of a digital magnetoresistive sensor. A digital sensor provides just two states: on and off. Such sensors, then, can only tell you if there is a more...

Hi I have been playing with my Uno and GSM shield to try to see if I can get the real world to react to a good old fashioned SMS text. In these days of 3G and 4G data rates, I wanted to show that we more...

Arduino is an open source electronics hardware and software designed for hobbyists, Makers, tinkerers and professionals to build projects from the simple "blinking LED" to a laser tripwire doorbell. more...

The "hello world" of the Arduino is the blink sketch. This demonstrates that your board is working by blinking an LED, typically the on-board LED attached to pin13 but it has a problem. The code more...